# 21 Commercial Street, Brooklyn

Condominium · 93 units · built 2014 · Block 2472, Lot 7501.

On Umarelli: https://umarelli.org/nyc/3024727501/21-commercial-street

More construction in Greenpoint: https://umarelli.org/nyc/brooklyn/greenpoint.md

## Building permits

- Alteration, filed Nov 13, 2020, estimated cost $2K, described as “Installation of illuminated non-flashing business sign at front facade on 1ST floor level.”
- Alteration, filed Aug 17, 2020, estimated cost $5K, described as “Filing for the the installation of new mechanical hood and related vents and equipment for the corner store(deli grocery) in conjunction with alt ii#340743556 and plumbing # B00367079”
- Alteration, filed Aug 17, 2020, estimated cost $9K, described as “Filing for plumbing for the commercial space ( deli-grocery) corner store. sinks, grease trap, cooking equipment in conjunction with DOB # 340743556”

## Property taxes

- Assessment: $11,641,951
- 2026–27 tax: $15,413
- Market value (city estimate): $25,871,000
- Taxable value: $468,229
- Assessed land: $940,051
- Assessed improvements: $10,701,900
- Condo units with their own tax lots: 3

## Tax breaks

- 420-c exemption, through Jun 30, 2061, about $1,385,197 a year below the full tax.

## Zoning

R6 (part of the lot is R8): floor area ratio 4.08 built, above the 2.43 base zoning allows, which bonuses, transfers or older rules can permit.

## Flood zone

Current FEMA flood map: zone X, moderate risk: a 0.2% chance of flooding each year.

## Board and land use applications

- Greenpoint Landing 5A Zoning Lot Subdivision Cert (City Planning 2022K0237): Certification, Completed, filed Dec 22, 2022, decided Aug 1, 2025. A Zoning Certification pursuant to 62-812 to subdivide a zoning lot is being sought by BOP Greenpoint for Greenpoint Landing Parcel 5A in Greenpoint, Community District 1, Brooklyn.

## In the news

[Riverside Market Debuts at 7 Bell Slip in Greenpoint Landing, North Brooklyn](https://newyorkyimby.com/2020/10/riverside-market-debuts-at-7-bell-slip-in-greenpoint-landing-north-brooklyn.html), New York YIMBY, Oct 30, 2020.

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology